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21.
The solubility of fibrinogen in solutions containing dextrans of various molecular weights (Short Communication)
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Michael W. Rampling 《The Biochemical journal》1974,143(3):767-769
The effect of dextrans of various molecular weights on the solubility of fibrinogen was investigated. The results indicate that the prime effect responsible for the observed changes of solubility was steric exclusion. This applies over the whole molecular-weight range of dextrans used, i.e. from 5700 to 76000. 相似文献
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S Chhabra R Narang LR Krishnan S Vasisht DP Agarwal LM Srivastava SC Manchanda N Das 《BMC genetics》2002,3(1):9-6
Background
A close association between Sst I polymorphism in the 3' untranslated region of the apolipoproteinC3 (APOC3 ) gene and levels of plasma triglycerides (TG) had been reported by different investigators. Hypertriglyceridemia(HTG) is a known risk factor for coronary artery disease (CAD) in the context of Asian Indians. We conducted a study on the relationship between APOC3 SstI polymorphism (S1S1, S1S2 and S2S2 genotypes) and plasma TG levels in a group of 139 male healthy volunteers from Northern India. 相似文献26.
Li Z Sun F Xu S Chu X Mukai Y Yamamoto M Ali S Rampling L Kosar-Hashemi B Rahman S Morell MK 《Functional & integrative genomics》2003,3(1-2):76-85
Wheat and barley contain at least four classes of starch synthases in the endosperm, granule bound starch synthase I (GBSSI)
and starch synthases I, II and III (SSI, SSII, SSIII). In this work, SSII in barley is shown to be associated with the starch
granule by using antibodies. A cDNA from barley encoding SSII and the genes for SSII from barley and Aegilops tauschii (A. tauschii, the D genome donor to wheat) are characterised. Fluorescent in situ hybridisation (FISH) and PCR were used to localise the
wheat SSII gene to the short arm of chromosome 7, showing synteny with the location of the rice SSII gene to the short arm
of chromosome 6. Comparison of the genes encoding SSII of A. tauschii, barley and Arabidopsis showed a conserved exon-intron structure although the size of the introns varied considerably. Extending such comparison
between the genes encoding starch synthases (GBSSI, SSI, SSII and SSIII) from A. tauschii and Arabidopsis showed that the exon-intron structures are essentially conserved. Separate and distinct genes for the individual starch synthases
therefore existed before the separation of monocotyledons and dicotyledons.
Electronic Publication 相似文献
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采用关联指数(IC)和决定系数(CD)两种方法,度量混合线性模型遗传评估下
猪群体间的遗传关联性。结果表明,加拿大安大略省的大约克夏猪、长白猪、杜洛克猪和汉普夏猪4个主要品种群体间具有良好的遗传联系。CD法既组合了数据结构和信息量,又考虑了预测误差方差和遗传变异性,是一个选择判断遗传评估精度的好方法。
Abstract:Two criteria for the measures of genetic connectedness in mixed linear model of genetic evaluation are used:the degree of connectedness(IC)and the generalized coefficient of determination(CD).The results indicated that the data of four dominant swine breeds:Yorkshire,Landrace,Duroc and Hampshire in Ontario,Canada are well connected.The CD,which combines data structure and amount of information and also accounts for both prediction error variance and genetic variability,is a good method to select for judging the precision of a genetic evaluation. 相似文献
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Colin R. Cavanagh Julian Taylor Oscar Larroque Neil Coombes Arunas P. Verbyla Zena Nath Ibrahim Kutty Lynette Rampling Barbara Butow Jean-Philippe Ral Sandor Tomoskozi Gabor Balazs Ferenc Békés Gulay Mann Ken J. Quail Michael Southan Matthew K. Morell Marcus Newberry 《TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik》2010,121(5):815-828
The genetic and phenotypic relationships among wheat quality predictors and sponge and dough bread making were evaluated in a population derived from a cross between an Australian cultivar ‘Chara’ and a Canadian cultivar ‘Glenlea’. The genetic correlation across sites for sponge and dough loaf volume was high; however, phenotypic correlations across sites for loaf volume were relatively low compared with rheological tests. The large difference between sites was most likely due to temperature differences during grain development reflected in a decrease in the percentage of unextractable polymeric protein and mixing time. Predictive tests (mixograph, extensograph, protein content and composition, micro-zeleny and flour viscosity) showed inconsistent and generally poor correlations with end-product performance (baking volume and slice area) at both sites, with no single parameter being effective as a predictor of end-product performance. The difference in the relationships between genetic and phenotypic correlations highlights the requirement to develop alternative methods of selection for breeders and bakers in order to maximise both genetic gain and predictive assessment of grain quality. 相似文献